The parathyroid glands maintain adequate levels of blood calcium by
What will be an ideal response?
targeting the bone and activating osteoclasts to release calcium.
You might also like to view...
What are the two major regulatory systems in the body?
a. nervous system and urinary system b. endocrine system and urinary system c. nervous system and endocrine system d. circulatory system and endocrine system e. nervous system and circulatory system
All of the following structures in the eye are black, due to the presence of melanin pigment, except
A. the pigmented epithelium. B. the ciliary body. C. the retina. D. the choroid. E. All of these eye structures are black, due to the presence of melanin pigment.
All target cells
A) have hormone receptors. B) can respond to chemical signals. C) secrete hormones. D) have hormone receptors and can respond to chemical signals. E) secrete hormones and have hormone receptors.
In addition to the synthesis of vitamin D, keratinocytes are able to carry out some other biologically important functions. Name at least two of these other functions.
What will be an ideal response?